If cells taken from the ectoderm are grown in isolation, they form skinlike tissues; if they are grown with mesoderm cells, they form nervous system tissue. This observation suggests that cell development is
a. controlled by a purely genetic process. c. affected by the immediate environment.
b. inherently unpredictable. d. less structured before birth.
C
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Karen always approaches tasks in an organized, faithful manner. She persists at a difficult job longer than most people and generally accomplishes more. Karen is probably high in
A. agreeableness. B. openness. C. conscientiousness. D. extraversion.
In a study of ethnic identity, Shrake and Rhee found that:
a. Korean American adolescents with negative views of their ethnic identity had very high GPAs b. Korean American adolescents with positive views of their ethnic identity had higher GPAs than their counterparts with negative views of their ethnic identity c. ethnic identity was unrelated to GPA d. all Korean American adolescents were rebellious and did poorly in school because of their ethnic identity
Bonny is 16 years old, yet is only 4 feet tall. Tests reveal deficiencies in hormones produced by the
a. adrenal gland. c. pituitary gland. b. hippocampus. d. pineal gland.
According to Piaget, "out of sight out of mind" would apply to children in the __________ stage of development
a) formal operational b) sensorimotor c) concrete operational d) preoperational